1963 Austin A 99 vs. 2007 BMW X3
To start off, 2007 BMW X3 is newer by 44 year(s). Which means there will be less support and parts availability for 1963 Austin A 99. In addition, the cost of maintenance, including insurance, on 1963 Austin A 99 would be higher. At 2,991 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (201 HP @ 4000 RPM) has 94 more horse power than 1963 Austin A 99. (107 HP @ 4750 RPM) In normal driving conditions, 2007 BMW X3 should accelerate faster than 1963 Austin A 99. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 395 kg more than 1963 Austin A 99. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1963 Austin A 99. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 BMW X3 (410 Nm @ 1500 RPM) has 186 more torque (in Nm) than 1963 Austin A 99. (224 Nm @ 2500 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1963 Austin A 99.
Compare all specifications:
| 1963 Austin A 99 | 2007 BMW X3 | |
| Make | Austin | BMW |
| Model | A 99 | X3 |
| Year Released | 1963 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2912 cc | 2991 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 107 HP | 201 HP |
| Engine RPM | 4750 RPM | 4000 RPM |
| Torque | 224 Nm | 410 Nm |
| Torque RPM | 2500 RPM | 1500 RPM |
| Engine Bore Size | 83.4 mm | 84 mm |
| Engine Stroke Size | 88.9 mm | 90 mm |
| Engine Compression Ratio | 8.3:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 162 km/hour | 210 km/hour |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1530 kg | 1925 kg |
| Vehicle Length | 4780 mm | 4570 mm |
| Vehicle Width | 1750 mm | 1860 mm |
| Vehicle Height | 1540 mm | 1680 mm |
| Wheelbase Size | 2800 mm | 2800 mm |
| Fuel Tank Capacity | 34 L | 67 L |
